In Grundy County, Tennessee, in a timeless valley near the base of the Cumberland Plateau, you’ll find The Caverns—a jaw-dropping concert hall located deep underground. Guests revel in the prehistoric venue’s natural acoustics and otherworldly beauty. What’s more, The Caverns is home to the Emmy-winning, PBS television series Bluegrass Underground. With a concert calendar that spans all genres of musical expression, The Caverns draws music fans from all over the world. Live music inside a cave, it’s a bucket list experience that keeps fans coming back to The Caverns time and again for “The Greatest Show Under Earth.”